2479690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 4861440

約数和(自身を除く): 2381750

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 421, 589, 842, 1178, 2105, 2945, 4210, 5890, 7999, 13051, 15998, 26102, 39995, 65255, 79990, 130510, 247969, 495938, 1239845, 2479690]

約数ペア:

[(1, 2479690), (2, 1239845), (5, 495938), (10, 247969), (19, 130510), (31, 79990), (38, 65255), (62, 39995), (95, 26102), (155, 15998), (190, 13051), (310, 7999), (421, 5890), (589, 4210), (842, 2945), (1178, 2105)]